Depending on what you want to do, it can be way less than that. For Cystic Fibrosis, the FDA denied inhaled mannitol, a dry powder, due to lung bleeds in trials. http://www.familypracticenews.com/single-article/fda-panel-v...
It is possible to formulate something chemically similar for not much money in your kitchen. Most people with CF are plenty familiar with keeping things sterile.
Depending on what you want to do, it can be way less than that. For Cystic Fibrosis, the FDA denied inhaled mannitol, a dry powder, due to lung bleeds in trials. http://www.familypracticenews.com/single-article/fda-panel-v...
It is possible to formulate something chemically similar for not much money in your kitchen. Most people with CF are plenty familiar with keeping things sterile.